EN AW – 2014 (AlCu4SiMg – 3.1255)

Stand: September 2018 - Quelle: DIN EN 573-3 / EN 515 / DIN 17611:2011

1. Chemical composition of EN AW – 2014

in the aftermath of DIN EN 573-3 (in % of the mass, rest AL)

SiFeCuMnMgCrZnTiPbOther elements
0,4-0,70,15-0,150,8-0,04-0,250,150,15
0,80,41,20,350,15

2. mechanical properties of EN AW – 2014

in the aftermath of DIN EN 485-2 Sheets and plates (common conditions)

Condition Nominal thicknessTensile strengthPlug-in limitUltimate elongationRigor
in mmRm in MPaRp0,2 in MPain % (min.)HBS
overup tominmaxminmaxA50A
T4/T4510,41,53952401410110
1,56,03952401410110
6,012,540025014112
12,54040025010112
401003952507111

in the aftermath of DIN EN 755-2 pressed or DIN EN 754-2 drawn profiles (common conditions)

ConditionNominal thicknessTensile strengthPlug-in limitUltimate elongationRigor
in mmRm in MPaRp0,2 in MPain % (min.)HBS
overup tominmaxminmaxA50A
253702301311
257541027012
751,539525010
1501,53952308
T6 pulled2541537065
25754604157
751504654207
1502004303506
2002504203205
Physical propertiesGeneral properties
(Guide values for 20° C)
Density of g/cm32,80Resistance to:
Solidification range ° C510-640– Sea water4
Electrical conductivity MS/m21-24– Weather conditions3
Thermal conductivity W/(mK)140-200Hot formability
Therm. linear expansion-– extrusion presses4
Coeffizient 10-6/K22,8– Drop forging3
Modulus of elasticity N/mm270.000– Open die forging3
WeldabilitySurface treatment
Fusion weldingProtection anodizing3
– Gas6Anodizing (decorative)6
– WIG6Painting/Coating3
– MIG6
Resistance welding2Contact with foodno
Machinability
T4/T62

3. Main application / Special features of EN AW – 2014:

Forged parts for high loads. Artificially hardened condition = sufficient corrosion resistance / reduction of residual stresses.

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